http://blog.cryptographyengineering.com/2013/03/attack-of-week-rc4-is-kind-of-broken-in.html http://blog.cryptographyengineering.com/2013/03/attack-of-we... It

http://blog.cryptographyengineering.com/2013/03/attack-of-week-rc4-is-kind-of-broken-in.html http://blog.cryptographyengineering.com/2013/03/attack-of-we... It's possible to implement RC4 "correctly" (as far as we know) by discarding the first several thousand bytes of the keystream, but TLS doesn't do this.